<template>
  <div>
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--搜索条件-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <li class="with-x" v-show="options.categoryName">
              {{options.categoryName}}
              <i @click="delCategory">×</i>
            </li>
            <!-- 搜索关键字 -->
            <li class="with-x" v-show="options.keyword">
              {{options.keyword}}
              <i @click="delKeyword">×</i>
            </li>
            <!-- 品牌名称 -->
            <li class="with-x" 
            v-show="options.trademark"
            >{{options.trademark.split(':')[1]}}<i @click="delTrademark">×</i></li>
            <!-- 属性 -->
            <li class="with-x" 
            v-for="(prop,index) in options.props" :key="prop.split(':')[0]"
            >{{prop.split(':')[2]}}:{{prop.split(':')[1]}}<i @click="delProp(index)">×</i></li>
          </ul>
        </div>

        <!--品牌和商品属性条件-->
        <SearchSelector 
        :attrsList="attrsList" 
        :trademarkList="trademarkList"
        @searchTrademark="searchTrademark" 
        @searchProp="searchProp"
        />

        <!--搜索条件-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav" >
                <li 
                  :class="{
                    active: order[0] === '1',
                  }"
                  @click="setOrder('1')"
                >
                  <a >
                    综合
                    <span 
                    :class="[
                        'iconfont',
                        `icon-${order[1] === 'asc' ? 'paixu' : 'xiangshang'}`,
                      ]"
                      v-show="order[0] === '1'"
                    ></span>
                  </a>
                </li>
                <li >
                  <a >销量</a>
                </li>
                <li >
                  <a >新品</a>
                </li>
                <li >
                  <a >评价</a>
                </li>
                <li 
                  :class="{
                    active: order[0] === '2',
                  }"
                  @click="setOrder('2')"
                >
                  <a >
                    价格
                    <span 
                      :class="[
                        'iconfont',
                        `icon-${order[1] === 'asc' ? 'paixu' : 'xiangshang'}`,
                      ]"
                      v-show="order[0] === '2'"
                    ></span></a>
                </li>
              </ul>
            </div>
          </div>
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="(goods,index) in goodsList" :key="index">
                <div class="list-wrap">
                  <div class="p-img">
                    <router-link :to="{name:'Detail',params:{id:goods.id}}" ><img :src="goods.defaultImg" /></router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>&nbsp;
                      <i>{{ goods.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a>{{ goods.title }}</a>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a href="javascript:void(0)" @click="addTocard(goods)" class="sui-btn btn-bordered btn-danger">加入购物车</a>
                    <a href="javascript:void(0);" class="sui-btn btn-bordered">收藏</a>
                  </div>
                </div>
              </li>
             
            </ul>
          </div>
          <!-- 分页器 -->
          <!-- <Pagination
              :currentPage="options.pageNo"
              :pageSize="options.pageSize"
              :total="total"
            /> -->
          <Pagination
            :current-page="options.pageNo"
            :page-size="options.pageSize"
            :total="total"
            @current-change="currentChange"
            @size-change="sizeChange"
          />
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import debounce from "lodash/debounce"
import SearchSelector from "./SearchSelector/SearchSelector.vue"
import Pagination from "@/components/Pagination/index.vue"
import {reqGetSearchList ,reqAddToCart} from "@/api/index"

export default {
  name:"Serch",
  data(){
    return {
      attrsList:[],
      goodsList:[],
      trademarkList:[],
      total:0,
      options:{
        // 分类
        category1Id: "",
        category2Id: "",
        category3Id: "",
        categoryName: "",
        // 搜索关键字
        keyword: "",
        // 排序
        // 1 综合 2 价格  asc 升序 desc 降序
        order: "1:desc",
        // 分页
        pageNo: 1,
        pageSize: 5,
        // 属性 属性id:属性值:属性名
        props: [],
        // 品牌 品牌id:品牌名称
        trademark: "",
      },
      isLigth:true
    }
  },
  watch:{
    //监视路由参数是否改变
    $route:{     
      immediate:true,
      handler({params,query}){
        const {keyword} = params
        const {category1Id,category2Id,category3Id,categoryName} = query
        //更新数据
        this.options = {
          ...this.options,
          keyword,
          category1Id,
          category2Id,
          category3Id,
          categoryName
        }
        //调用search接口
        this.searchList()        
      }
    }
  },
  methods:{
    //发送请求，将数据存放到data里
    async searchList(){
      const {attrsList,goodsList,trademarkList,total} =await  reqGetSearchList(this.options)
      this.attrsList = attrsList,
      this.goodsList = goodsList,
      this.trademarkList = trademarkList,
      this.total = total 
    },
    //搜索品牌
    searchTrademark(tm){
      //先判断有没有品牌搜索条件
      //如果有，说明之前就搜过，判断是不是和上一次一样
      if(this.options.trademark === tm ) return  //和上次一样，返回
      //不一样
      this.options.trademark = tm
      this.searchList()
    },
    //搜索属性
    searchProp(prop){
      //如果搜索的属性已经存在，就返回
      //indexOf(),some(),find(),都可以
      if(this.options.props.includes(prop)) return
      this.options.props.push(prop) //加入要搜索的属性
      this.searchList()
    },
    //删除一条分类搜索的条件
    delCategory(){
      this.$router.push({
        name:"Serch",
        //就是将query参数都去掉
        params:this.$route.params
      })
    },
    //删除输入的关键字
    delKeyword(){
      this.$router.push({
        name:"Serch",
        query:this.$route.query
      })
    },
    
    delTrademark(){
      this.searchTrademark('')
    },
    delProp(index){
      this.options.props.splice(index,1)
      this.searchList()
    },

    //设置排序
    setOrder(orderName){
      
      //1:desc,1:asc  1 综合 2 价格  asc 升序 desc 降序
      const [oldOrderName,oldOrderType] = this.order 
      let orderType = "desc" //默认降序
      if(orderName ===oldOrderName ){
        //点击相同的就取反
        orderType = oldOrderType==="desc" ? "asc":"desc" 
      }
      this.options.order = orderName + ":" + orderType
      this.searchList()
    },

    //更改每页的数量
    // sizeChange(newPagesize,newCurrent){
    //   this.options.pageSize = newPagesize
    //   this.options.pageNo =newCurrent
    //   this.searchList()
    // },
    sizeChange(newPagesize,newCurrent){
      this.options.pageSize = newPagesize
      this.options.pageNo =newCurrent
      this.searchList()
    },

    
    //更改页码，用上防抖函数
    currentChange:debounce(
      function (newCurrent){
      this.options.pageNo =newCurrent
      this.searchList()

      },200,{maxWait:1000}
    ),
    async addTocard(goods){
       await reqAddToCart( goods.id ,1)
    }
  },
  computed:{
    order(){
      return this.options.order.split(':')
    }
  },
  components:{
    SearchSelector,
    Pagination,
  },
  mounted(){
    this.searchList(this.options)    
  },
}
</script>

<style lang="less" scoped>
  .main {
    margin: 10px 0;

    .py-container {
      width: 1200px;
      margin: 0 auto;

      .bread {
        margin-bottom: 5px;
        overflow: hidden;

        .sui-breadcrumb {
          padding: 3px 15px;
          margin: 0;
          font-weight: 400;
          border-radius: 3px;
          float: left;

          li {
            display: inline-block;
            line-height: 18px;

            a {
              color: #666;
              text-decoration: none;

              &:hover {
                color: #4cb9fc;
              }
            }
          }
        }

        .sui-tag {
          margin-top: -5px;
          list-style: none;
          font-size: 0;
          line-height: 0;
          padding: 5px 0 0;
          margin-bottom: 18px;
          float: left;

          .with-x {
            font-size: 12px;
            margin: 0 5px 5px 0;
            display: inline-block;
            overflow: hidden;
            color: #000;
            background: #f7f7f7;
            padding: 0 7px;
            height: 20px;
            line-height: 20px;
            border: 1px solid #dedede;
            white-space: nowrap;
            transition: color 400ms;
            cursor: pointer;

            i {
              margin-left: 10px;
              cursor: pointer;
              font: 400 14px tahoma;
              display: inline-block;
              height: 100%;
              vertical-align: middle;
            }

            &:hover {
              color: #28a3ef;
            }
          }
        }
      }

      .details {
        margin-bottom: 5px;

        .sui-navbar {
          overflow: visible;
          margin-bottom: 0;

          .filter {
            min-height: 40px;
            padding-right: 20px;
            background: #fbfbfb;
            border: 1px solid #e2e2e2;
            padding-left: 0;
            border-radius: 0;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

            .sui-nav {
              position: relative;
              left: 0;
              display: block;
              float: left;
              margin: 0 10px 0 0;

              li {
                float: left;
                line-height: 18px;

                a {
                  display: block;
                  cursor: pointer;
                  padding: 11px 15px;
                  color: #777;
                  text-decoration: none;
                }

                &.active {
                  a {
                    background: #e1251b;
                    color: #fff;
                  }
                }
              }
            }
          }
        }

        .goods-list {
          margin: 20px 0;

          ul {
            display: flex;
            flex-wrap: wrap;

            li {
              height: 100%;
              width: 20%;
              margin-top: 10px;
              line-height: 28px;

              .list-wrap {
                .p-img {
                  padding-left: 15px;
                  width: 215px;
                  height: 255px;

                  a {
                    color: #666;

                    img {
                      max-width: 100%;
                      height: auto;
                      vertical-align: middle;
                    }
                  }
                }

                .price {
                  padding-left: 15px;
                  font-size: 18px;
                  color: #c81623;

                  strong {
                    font-weight: 700;

                    i {
                      margin-left: -5px;
                    }
                  }
                }

                .attr {
                  padding-left: 15px;
                  width: 85%;
                  overflow: hidden;
                  margin-bottom: 8px;
                  min-height: 38px;
                  cursor: pointer;
                  line-height: 1.8;
                  display: -webkit-box;
                  -webkit-box-orient: vertical;
                  -webkit-line-clamp: 2;

                  a {
                    color: #333;
                    text-decoration: none;
                  }
                }

                .commit {
                  padding-left: 15px;
                  height: 22px;
                  font-size: 13px;
                  color: #a7a7a7;

                  span {
                    font-weight: 700;
                    color: #646fb0;
                  }
                }

                .operate {
                  padding: 12px 15px;

                  .sui-btn {
                    display: inline-block;
                    padding: 2px 14px;
                    box-sizing: border-box;
                    margin-bottom: 0;
                    font-size: 12px;
                    line-height: 18px;
                    text-align: center;
                    vertical-align: middle;
                    cursor: pointer;
                    border-radius: 0;
                    background-color: transparent;
                    margin-right: 15px;
                  }

                  .btn-bordered {
                    min-width: 85px;
                    background-color: transparent;
                    border: 1px solid #8c8c8c;
                    color: #8c8c8c;

                    &:hover {
                      border: 1px solid #666;
                      color: #fff !important;
                      background-color: #666;
                      text-decoration: none;
                    }
                  }

                  .btn-danger {
                    border: 1px solid #e1251b;
                    color: #e1251b;

                    &:hover {
                      border: 1px solid #e1251b;
                      background-color: #e1251b;
                      color: white !important;
                      text-decoration: none;
                    }
                  }
                }
              }
            }
          }
        }

        
      }
    }
  }
</style>